Radiator overfill

2005 civic hybrid....I overfilled my radiator bottle as I could not see level ...was able to siphon out some....my honda MC has overflow tube....anything like that on the car.....is there a worst case scenario....many thanks for any help...you’ve helped in the past but I had to get new log in creds...use to be philwford....

2005 civic hybrid....I overfilled my radiator bottle as I could not see level ...was able to siphon out some....my honda MC has overflow tube....anything like that on the car.....is there a worst case scenario....many thanks for any help...you’ve helped in the past but I had to get new log in creds...use to be philwford....

Pretty sure there is an overflow outlet. Why were you adding coolant? If you cannot see in, how did you know it was low?